3 years ago

Calculate the number of moles of C2H6 in 3.97×1023 molecules of C2H6.

1 answer:

6 0

3.97×1023 molecules C2H6 1 mol C2H6

------------------------------------------ x ------------------------------------ = 0.66 mol C2H6

6.022 x 1023 molec. C2H6

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Ivan

D. Atoms form millions of molecules. :)

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3 years ago

Liula [17]

Answer:

<h3>The answer is 200 cm³</h3>

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

$volume = \frac{mass}{density}\\$

From the question

mass = 150 g

density = 0.75 g/cm³

We have

$volume = \frac{150}{0.75} \\$

We have the final answer as

Hope this helps you

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3 years ago

Anna11 [10]

Answer:

1.6734 g\ml..hope it helps

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2 years ago

Taya2010 [7]

Single-displacement

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3 years ago

ladessa [460]

Use 25.4 g/ 425ml x 100 5.94 percent

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3 years ago